Update June 18, 2015 8 a.m. -- Cal-Fire now estimates the fire is at 178 acres and 38% contained. Firefighters worked through the night with headlamps in steep terrain. Wildcat Canyon Road is open in both directions and homes are no longer threatened at this time.

Update 9 p.m. -- The fire has burned 150 acres and is 10% contained. Temperature is 75 degrees and humidity is 54%; the rate of spread is now slow. Hundreds of firefighters are battling the blaze including Cal-Fire, the U.S. Forest Service, Heartland and Barona. Wildcat Canyon Rd. remains closed from Founder's Way to San Vicente Road, Cal-Fire advises. The County Office of Emergency Services and the American Red Cross are also now involved.

Update 6:45 p.m. - Cal Fire spokesman Kendal Bortisser has advised that the fire has potential for 500 acres, though Cal Fire hopes to contain it at 50 acres. Fire is 10% contained, incident commander estimates. Residents report heavy smoke and poor air quality. The Sheriff has evacuated 7 homes but no others are currently threatened. Those evacuated are sheltering at the Barona Casino. View live-streaming video on Fox 5 at http://fox5sandiego.com/on-air/live-streaming/.

Update 6:02 p.m. The road closure has been moved to south of the Barona Casino to give people access to the casino, CHP reports. U.S. Forest Service Crews, Cal Fire and Barona firefighters are battling the blaze

Photo by Shannon Cervantes: fire with Barona Casino in foreground

June 17, 2015 (Lakeside) - A brush fire is burning in Lakeside early this evening on the Barona reservation near Wildcat Canyon Road. The fire, reported about 4:50 p.m. near Acuunya Way., is northeast of the casino and moving northeast toward a glider port. Cal Fire estimateed the blaze at 20 acres but a retired fire official in the area has estimated that the fire has swelled to 40 or 50 acres.

Structures are immediately threatened and the blaze is spreading rapidly, according to Cal-Fire. Wildcat Canyon Road is closed due to the fire from San Vicente Road to just south of the casino. Fixed wing aircraft and helicopters are battling the fire, ECM news partner 10 News reports.

Multiple news outlets report the Sheriff has evacuated several residences in the Acuuunya Way area.

Update 12:36 p.m.: Spread of the Bullpen Fire has been stopped at four acres. The Incident Commander has released the airtankers, 1 helicopter, and the bulldozer. Firefighters will remain on scene mopping up hot spots. One minor injury to a firefighter, a bee sting, was reported.

Update 2:00 p.m. - "This fire is now out," Cal-Fire Nick Schuyler informed East County Magazine." It was a great stop by multilple agencies working together." The fire was contained at 100 acres; cause is still under investigation. Firefighters will remain on scene through the night mopping up hot spots.